I don't know about most adults but I am on 20mg. I am going to ask my pdoc in my next appointment though about maybe going off of it though but then again maybe not. I am on it because I was in college and needed it for class to be able to concentrate and stuff and am no longer in school so feel that I no longer need it. I suppose it's good for other things as well so will need to discuss it with him.

Jbug